#ifndef _OPENGL_H
#define _OPENGL_H

#include "new_types.h"

void changeSize(int w,int h);
void updateCamera();
void rotateCameraLeft();
void rotateCameraRight();
void moveCameraAway(float fraction);
void moveCameraNearer(float fraction);
void processNormalKeys(unsigned char key,int x,int y);
void processSpecialKeys(int key,int xx,int yy);
void drawSystem();
void plotGas(int,double3 *);
void initOpenGL(int &narg,char **arg,void renderScene());

#endif
